diff --git a/store/dbadapter/store.go b/store/dbadapter/store.go
index 369a173ec1..d69e4ebf13 100644
--- a/store/dbadapter/store.go
+++ b/store/dbadapter/store.go
@@ -10,7 +10,7 @@ import (
 	"cosmossdk.io/store/types"
 )
 
-// Wrapper type for dbm.Db with implementation of KVStore
+// Store is wrapper type for dbm.Db with implementation of KVStore
 type Store struct {
 	dbm.DB
 }
diff --git a/store/gaskv/store.go b/store/gaskv/store.go
index e0f96af715..41242d4928 100644
--- a/store/gaskv/store.go
+++ b/store/gaskv/store.go
@@ -26,12 +26,12 @@ func NewStore(parent types.KVStore, gasMeter types.GasMeter, gasConfig types.Gas
 	return kvs
 }
 
-// Implements Store.
+// GetStoreType implements Store.
 func (gs *Store) GetStoreType() types.StoreType {
 	return gs.parent.GetStoreType()
 }
 
-// Implements KVStore.
+// Get implements KVStore.
 func (gs *Store) Get(key []byte) (value []byte) {
 	gs.gasMeter.ConsumeGas(gs.gasConfig.ReadCostFlat, types.GasReadCostFlatDesc)
 	value = gs.parent.Get(key)
@@ -43,7 +43,7 @@ func (gs *Store) Get(key []byte) (value []byte) {
 	return value
 }
 
-// Implements KVStore.
+// Set implements KVStore.
 func (gs *Store) Set(key, value []byte) {
 	types.AssertValidKey(key)
 	types.AssertValidValue(value)
@@ -54,13 +54,13 @@ func (gs *Store) Set(key, value []byte) {
 	gs.parent.Set(key, value)
 }
 
-// Implements KVStore.
+// Has implements KVStore.
 func (gs *Store) Has(key []byte) bool {
 	gs.gasMeter.ConsumeGas(gs.gasConfig.HasCost, types.GasHasDesc)
 	return gs.parent.Has(key)
 }
 
-// Implements KVStore.
+// Delete implements KVStore.
 func (gs *Store) Delete(key []byte) {
 	// charge gas to prevent certain attack vectors even though space is being freed
 	gs.gasMeter.ConsumeGas(gs.gasConfig.DeleteCost, types.GasDeleteDesc)
@@ -82,7 +82,7 @@ func (gs *Store) ReverseIterator(start, end []byte) types.Iterator {
 	return gs.iterator(start, end, false)
 }
 
-// Implements KVStore.
+// CacheWrap implements KVStore.
 func (gs *Store) CacheWrap() types.CacheWrap {
 	panic("cannot CacheWrap a GasKVStore")
 }
@@ -120,12 +120,12 @@ func newGasIterator(gasMeter types.GasMeter, gasConfig types.GasConfig, parent t
 	}
 }
 
-// Implements Iterator.
+// Domain implements Iterator.
 func (gi *gasIterator) Domain() (start, end []byte) {
 	return gi.parent.Domain()
 }
 
-// Implements Iterator.
+// Valid implements Iterator.
 func (gi *gasIterator) Valid() bool {
 	return gi.parent.Valid()
 }
@@ -152,7 +152,7 @@ func (gi *gasIterator) Value() (value []byte) {
 	return value
 }
 
-// Implements Iterator.
+// Close implements Iterator.
 func (gi *gasIterator) Close() error {
 	return gi.parent.Close()
 }
diff --git a/store/iavl/store.go b/store/iavl/store.go
index 04d170b73e..8e1905b7a3 100644
--- a/store/iavl/store.go
+++ b/store/iavl/store.go
@@ -179,12 +179,12 @@ func (st *Store) GetAllVersions() []int {
 	return st.tree.AvailableVersions()
 }
 
-// Implements Store.
+// GetStoreType implements Store.
 func (st *Store) GetStoreType() types.StoreType {
 	return types.StoreTypeIAVL
 }
 
-// Implements Store.
+// CacheWrap implements Store.
 func (st *Store) CacheWrap() types.CacheWrap {
 	return cachekv.NewStore(st)
 }
@@ -194,7 +194,7 @@ func (st *Store) CacheWrapWithTrace(w io.Writer, tc types.TraceContext) types.Ca
 	return cachekv.NewStore(tracekv.NewStore(st, w, tc))
 }
 
-// Implements types.KVStore.
+// Set implements types.KVStore.
 func (st *Store) Set(key, value []byte) {
 	types.AssertValidKey(key)
 	types.AssertValidValue(value)
@@ -204,7 +204,7 @@ func (st *Store) Set(key, value []byte) {
 	}
 }
 
-// Implements types.KVStore.
+// Get implements types.KVStore.
 func (st *Store) Get(key []byte) []byte {
 	defer st.metrics.MeasureSince("store", "iavl", "get")
 	value, err := st.tree.Get(key)
@@ -214,7 +214,7 @@ func (st *Store) Get(key []byte) []byte {
 	return value
 }
 
-// Implements types.KVStore.
+// Has implements types.KVStore.
 func (st *Store) Has(key []byte) (exists bool) {
 	defer st.metrics.MeasureSince("store", "iavl", "has")
 	has, err := st.tree.Has(key)
@@ -224,7 +224,7 @@ func (st *Store) Has(key []byte) (exists bool) {
 	return has
 }
 
-// Implements types.KVStore.
+// Delete implements types.KVStore.
 func (st *Store) Delete(key []byte) {
 	defer st.metrics.MeasureSince("store", "iavl", "delete")
 	_, _, err := st.tree.Remove(key)
@@ -246,7 +246,7 @@ func (st *Store) LoadVersionForOverwriting(targetVersion int64) error {
 	return st.tree.LoadVersionForOverwriting(targetVersion)
 }
 
-// Implements types.KVStore.
+// Iterator implements types.KVStore.
 func (st *Store) Iterator(start, end []byte) types.Iterator {
 	iterator, err := st.tree.Iterator(start, end, true)
 	if err != nil {
@@ -255,7 +255,7 @@ func (st *Store) Iterator(start, end []byte) types.Iterator {
 	return iterator
 }
 
-// Implements types.KVStore.
+// ReverseIterator implements types.KVStore.
 func (st *Store) ReverseIterator(start, end []byte) types.Iterator {
 	iterator, err := st.tree.Iterator(start, end, false)
 	if err != nil {
@@ -270,7 +270,7 @@ func (st *Store) SetInitialVersion(version int64) {
 	st.tree.SetInitialVersion(uint64(version))
 }
 
-// Exports the IAVL store at the given version, returning an iavl.Exporter for the tree.
+// Export exports the IAVL store at the given version, returning an iavl.Exporter for the tree.
 func (st *Store) Export(version int64) (*iavl.Exporter, error) {
 	istore, err := st.GetImmutable(version)
 	if err != nil {
diff --git a/store/internal/maps/maps.go b/store/internal/maps/maps.go
index 40aa0b44d9..6db2be666c 100644
--- a/store/internal/maps/maps.go
+++ b/store/internal/maps/maps.go
@@ -120,7 +120,7 @@ func (sm *simpleMap) Sort() {
 	sm.sorted = true
 }
 
-// Returns a copy of sorted KVPairs.
+// KVPairs returns a copy of sorted KVPairs.
 // NOTE these contain the hashed key and value.
 func (sm *simpleMap) KVPairs() kv.Pairs {
 	sm.Sort()
@@ -134,7 +134,7 @@ func (sm *simpleMap) KVPairs() kv.Pairs {
 
 //----------------------------------------
 
-// A local extension to KVPair that can be hashed.
+// KVPair is a local extension to KVPair that can be hashed.
 // Key and value are length prefixed and concatenated,
 // then hashed.
 type KVPair kv.Pair
diff --git a/store/prefix/store.go b/store/prefix/store.go
index 62f451fa43..26b8b0344a 100644
--- a/store/prefix/store.go
+++ b/store/prefix/store.go
@@ -42,12 +42,12 @@ func (s Store) key(key []byte) (res []byte) {
 	return
 }
 
-// Implements Store
+// GetStoreType implements Store
 func (s Store) GetStoreType() types.StoreType {
 	return s.parent.GetStoreType()
 }
 
-// Implements CacheWrap
+// CacheWrap implements CacheWrap
 func (s Store) CacheWrap() types.CacheWrap {
 	return cachekv.NewStore(s)
 }
@@ -57,30 +57,30 @@ func (s Store) CacheWrapWithTrace(w io.Writer, tc types.TraceContext) types.Cach
 	return cachekv.NewStore(tracekv.NewStore(s, w, tc))
 }
 
-// Implements KVStore
+// Get implements KVStore
 func (s Store) Get(key []byte) []byte {
 	res := s.parent.Get(s.key(key))
 	return res
 }
 
-// Implements KVStore
+// Has implements KVStore
 func (s Store) Has(key []byte) bool {
 	return s.parent.Has(s.key(key))
 }
 
-// Implements KVStore
+// Set implements KVStore
 func (s Store) Set(key, value []byte) {
 	types.AssertValidKey(key)
 	types.AssertValidValue(value)
 	s.parent.Set(s.key(key), value)
 }
 
-// Implements KVStore
+// Delete implements KVStore
 func (s Store) Delete(key []byte) {
 	s.parent.Delete(s.key(key))
 }
 
-// Implements KVStore
+// Iterator implements KVStore
 // Check https://github.com/cometbft/cometbft/blob/master/libs/db/prefix_db.go#L106
 func (s Store) Iterator(start, end []byte) types.Iterator {
 	newstart := cloneAppend(s.prefix, start)
@@ -134,17 +134,17 @@ func newPrefixIterator(prefix, start, end []byte, parent types.Iterator) *prefix
 	}
 }
 
-// Implements Iterator
+// Domain implements Iterator
 func (pi *prefixIterator) Domain() ([]byte, []byte) {
 	return pi.start, pi.end
 }
 
-// Implements Iterator
+// Valid implements Iterator
 func (pi *prefixIterator) Valid() bool {
 	return pi.valid && pi.iter.Valid()
 }
 
-// Implements Iterator
+// Next implements Iterator
 func (pi *prefixIterator) Next() {
 	if !pi.valid {
 		panic("prefixIterator invalid, cannot call Next()")
@@ -156,7 +156,7 @@ func (pi *prefixIterator) Next() {
 	}
 }
 
-// Implements Iterator
+// Key implements Iterator
 func (pi *prefixIterator) Key() (key []byte) {
 	if !pi.valid {
 		panic("prefixIterator invalid, cannot call Key()")
@@ -168,7 +168,7 @@ func (pi *prefixIterator) Key() (key []byte) {
 	return
 }
 
-// Implements Iterator
+// Value implements Iterator
 func (pi *prefixIterator) Value() []byte {
 	if !pi.valid {
 		panic("prefixIterator invalid, cannot call Value()")
@@ -177,7 +177,7 @@ func (pi *prefixIterator) Value() []byte {
 	return pi.iter.Value()
 }
 
-// Implements Iterator
+// Close implements Iterator
 func (pi *prefixIterator) Close() error {
 	return pi.iter.Close()
 }
diff --git a/store/rootmulti/proof.go b/store/rootmulti/proof.go
index 78217a1600..5f1503be4b 100644
--- a/store/rootmulti/proof.go
+++ b/store/rootmulti/proof.go
@@ -17,6 +17,8 @@ func RequireProof(subpath string) bool {
 
 //-----------------------------------------------------------------------------
 
+// DefaultProofRuntime returns a new ProofRuntime with default op decoders registered.
+// It registers decoders for IAVL commitment and Simple Merkle commitment proof operations.
 // XXX: This should be managed by the rootMultiStore which may want to register
 // more proof ops?
 func DefaultProofRuntime() (prt *merkle.ProofRuntime) {
diff --git a/store/rootmulti/store.go b/store/rootmulti/store.go
index 1be58ea36d..ab6402447f 100644
--- a/store/rootmulti/store.go
+++ b/store/rootmulti/store.go
@@ -725,7 +725,7 @@ func (rs *Store) PruneStores(pruningHeight int64) (err error) {
 	return nil
 }
 
-// getStoreByName performs a lookup of a StoreKey given a store name typically
+// GetStoreByName performs a lookup of a StoreKey given a store name typically
 // provided in a path. The StoreKey is then used to perform a lookup and return
 // a Store. If the Store is wrapped in an inter-block cache, it will be unwrapped
 // prior to being returned. If the StoreKey does not exist, nil is returned.
diff --git a/store/snapshots/store.go b/store/snapshots/store.go
index aa593f5bac..c58461a68b 100644
--- a/store/snapshots/store.go
+++ b/store/snapshots/store.go
@@ -92,7 +92,7 @@ func (s *Store) Get(height uint64, format uint32) (*types.Snapshot, error) {
 	return snapshot, nil
 }
 
-// Get fetches the latest snapshot from the database, if any.
+// GetLatest fetches the latest snapshot from the database, if any.
 func (s *Store) GetLatest() (*types.Snapshot, error) {
 	iter, err := s.db.ReverseIterator(encodeKey(0, 0), encodeKey(uint64(math.MaxUint64), math.MaxUint32))
 	if err != nil {
diff --git a/store/snapshots/types/convert.go b/store/snapshots/types/convert.go
index f326878757..a5ed10929c 100644
--- a/store/snapshots/types/convert.go
+++ b/store/snapshots/types/convert.go
@@ -7,7 +7,7 @@ import (
 	"cosmossdk.io/errors"
 )
 
-// Converts an ABCI snapshot to a snapshot. Mainly to decode the SDK metadata.
+// SnapshotFromABCI converts an ABCI snapshot to a snapshot. Mainly to decode the SDK metadata.
 func SnapshotFromABCI(in *abci.Snapshot) (Snapshot, error) {
 	snapshot := Snapshot{
 		Height: in.Height,
@@ -22,7 +22,7 @@ func SnapshotFromABCI(in *abci.Snapshot) (Snapshot, error) {
 	return snapshot, nil
 }
 
-// Converts a Snapshot to its ABCI representation. Mainly to encode the SDK metadata.
+// ToABCI converts a Snapshot to its ABCI representation. Mainly to encode the SDK metadata.
 func (s Snapshot) ToABCI() (abci.Snapshot, error) {
 	out := abci.Snapshot{
 		Height: s.Height,
diff --git a/store/streaming/abci/grpc.go b/store/streaming/abci/grpc.go
index b838a153be..89e1c01c2b 100644
--- a/store/streaming/abci/grpc.go
+++ b/store/streaming/abci/grpc.go
@@ -17,7 +17,7 @@ type GRPCClient struct {
 	client ABCIListenerServiceClient
 }
 
-// ListenEndBlock listens to end block request and responses.
+// ListenFinalizeBlock listens to end block request and responses.
 // In addition, it retrieves a types.Context from a context.Context instance.
 // It panics if a types.Context was not properly attached.
 // When the node is configured to stop on listening errors,
diff --git a/store/transient/store.go b/store/transient/store.go
index 2794d3d9a1..d72a72476e 100644
--- a/store/transient/store.go
+++ b/store/transient/store.go
@@ -18,13 +18,13 @@ type Store struct {
 	dbadapter.Store
 }
 
-// Constructs new MemDB adapter
+// NewStore constructs new MemDB adapter
 func NewStore() *Store {
 	return &Store{Store: dbadapter.Store{DB: dbm.NewMemDB()}}
 }
 
-// Implements CommitStore
 // Commit cleans up Store.
+// Implements CommitStore
 func (ts *Store) Commit() (id types.CommitID) {
 	ts.Store = dbadapter.Store{DB: dbm.NewMemDB()}
 	return
@@ -38,7 +38,7 @@ func (ts *Store) GetPruning() pruningtypes.PruningOptions {
 	return pruningtypes.NewPruningOptions(pruningtypes.PruningUndefined)
 }
 
-// Implements CommitStore
+// LastCommitID implements CommitStore
 func (ts *Store) LastCommitID() types.CommitID {
 	return types.CommitID{}
 }
@@ -47,7 +47,7 @@ func (ts *Store) WorkingHash() []byte {
 	return []byte{}
 }
 
-// Implements Store.
+// GetStoreType implements Store.
 func (ts *Store) GetStoreType() types.StoreType {
 	return types.StoreTypeTransient
 }
diff --git a/store/types/codec.go b/store/types/codec.go
index 4a5f424873..3b5203747c 100644
--- a/store/types/codec.go
+++ b/store/types/codec.go
@@ -19,12 +19,13 @@ type Codec interface {
 	// in the value pointed to by v.
 	Unmarshal(bz []byte, ptr proto.Message) error
 
-	// Unmarshal parses the data encoded with UnmarshalLengthPrefixed method and stores
+	// UnmarshalLengthPrefixed parses the data encoded with UnmarshalLengthPrefixed method and stores
 	// the result in the value pointed to by v.
 	UnmarshalLengthPrefixed(bz []byte, ptr proto.Message) error
 }
 
 // ============= TestCodec =============
+
 // TestCodec defines a codec that utilizes Protobuf for both binary and JSON
 // encoding.
 type TestCodec struct{}
diff --git a/store/types/store.go b/store/types/store.go
index ea9667691d..7846876eeb 100644
--- a/store/types/store.go
+++ b/store/types/store.go
@@ -17,7 +17,7 @@ type Store interface {
 	CacheWrapper
 }
 
-// something that can persist to disk
+// Committer is something that can persist to disk
 type Committer interface {
 	Commit() CommitID
 	LastCommitID() CommitID
@@ -37,6 +37,8 @@ type PausablePruner interface {
 	PausePruning(bool)
 }
 
+// CommitStore represents a store that can be committed and provides basic store operations.
+// It combines the functionality of Committer and Store interfaces.
 // Stores of MultiStore must implement CommitStore.
 type CommitStore interface {
 	Committer
@@ -131,7 +133,7 @@ func (s *StoreUpgrades) RenamedFrom(key string) string {
 type MultiStore interface {
 	Store
 
-	// Branches MultiStore into a cached storage object.
+	// CacheMultiStore branches MultiStore into a cached storage object.
 	// NOTE: Caller should probably not call .Write() on each, but
 	// call CacheMultiStore.Write().
 	CacheMultiStore() CacheMultiStore
@@ -140,7 +142,7 @@ type MultiStore interface {
 	// each stored is loaded at a specific version (height).
 	CacheMultiStoreWithVersion(version int64) (CacheMultiStore, error)
 
-	// Convenience for fetching substores.
+	// GetStore is convenience for fetching substores.
 	// If the store does not exist, panics.
 	GetStore(StoreKey) Store
 	GetKVStore(StoreKey) KVStore
@@ -162,7 +164,7 @@ type MultiStore interface {
 	LatestVersion() int64
 }
 
-// From MultiStore.CacheMultiStore()....
+// CacheMultiStore is from MultiStore.CacheMultiStore()....
 type CacheMultiStore interface {
 	MultiStore
 	Write() // Writes operations to underlying KVStore
@@ -174,17 +176,17 @@ type CommitMultiStore interface {
 	MultiStore
 	snapshottypes.Snapshotter
 
-	// Mount a store of type using the given db.
+	// MountStoreWithDB mount a store of type using the given db.
 	// If db == nil, the new store will use the CommitMultiStore db.
 	MountStoreWithDB(key StoreKey, typ StoreType, db dbm.DB)
 
-	// Panics on a nil key.
+	// GetCommitStore panics on a nil key.
 	GetCommitStore(key StoreKey) CommitStore
 
-	// Panics on a nil key.
+	// GetCommitKVStore panics on a nil key.
 	GetCommitKVStore(key StoreKey) CommitKVStore
 
-	// Load the latest persisted version. Called once after all calls to
+	// LoadLatestVersion load the latest persisted version. Called once after all calls to
 	// Mount*Store() are complete.
 	LoadLatestVersion() error
 
@@ -198,13 +200,13 @@ type CommitMultiStore interface {
 	// in order to handle breaking formats in migrations
 	LoadVersionAndUpgrade(ver int64, upgrades *StoreUpgrades) error
 
-	// Load a specific persisted version. When you load an old version, or when
+	// LoadVersion load a specific persisted version. When you load an old version, or when
 	// the last commit attempt didn't complete, the next commit after loading
 	// must be idempotent (return the same commit id). Otherwise the behavior is
 	// undefined.
 	LoadVersion(ver int64) error
 
-	// Set an inter-block (persistent) cache that maintains a mapping from
+	// SetInterBlockCache set an inter-block (persistent) cache that maintains a mapping from
 	// StoreKeys to CommitKVStores.
 	SetInterBlockCache(MultiStorePersistentCache)
 
@@ -265,7 +267,7 @@ type KVStore interface {
 	// Exceptionally allowed for cachekv.Store, safe to write in the modules.
 	Iterator(start, end []byte) Iterator
 
-	// Iterator over a domain of keys in descending order. End is exclusive.
+	// ReverseIterator iterates over a domain of keys in descending order. End is exclusive.
 	// Start must be less than end, or the Iterator is invalid.
 	// Iterator must be closed by caller.
 	// CONTRACT: No writes may happen within a domain while an iterator exists over it.
@@ -282,7 +284,7 @@ type Iterator = dbm.Iterator
 type CacheKVStore interface {
 	KVStore
 
-	// Writes operations to underlying KVStore
+	// Write writes operations to underlying KVStore
 	Write()
 }
 
@@ -329,7 +331,7 @@ func (cid CommitID) String() string {
 //----------------------------------------
 // Store types
 
-// kind of store
+// StoreType is kind of store
 type StoreType int
 
 const (
@@ -425,7 +427,7 @@ type TransientStoreKey struct {
 	name string
 }
 
-// Constructs new TransientStoreKey
+// NewTransientStoreKey constructs new TransientStoreKey
 // Must return a pointer according to the ocap principle
 func NewTransientStoreKey(name string) *TransientStoreKey {
 	return &TransientStoreKey{
@@ -433,12 +435,12 @@ func NewTransientStoreKey(name string) *TransientStoreKey {
 	}
 }
 
-// Implements StoreKey
+// Name implements StoreKey
 func (key *TransientStoreKey) Name() string {
 	return key.name
 }
 
-// Implements StoreKey
+// String implements StoreKey
 func (key *TransientStoreKey) String() string {
 	return fmt.Sprintf("TransientStoreKey{%p, %s}", key, key.name)
 }
@@ -494,11 +496,11 @@ func (tc TraceContext) Merge(newTc TraceContext) TraceContext {
 // MultiStorePersistentCache defines an interface which provides inter-block
 // (persistent) caching capabilities for multiple CommitKVStores based on StoreKeys.
 type MultiStorePersistentCache interface {
-	// Wrap and return the provided CommitKVStore with an inter-block (persistent)
+	// GetStoreCache wrap and return the provided CommitKVStore with an inter-block (persistent)
 	// cache.
 	GetStoreCache(key StoreKey, store CommitKVStore) CommitKVStore
 
-	// Return the underlying CommitKVStore for a StoreKey.
+	// Unwrap return the underlying CommitKVStore for a StoreKey.
 	Unwrap(key StoreKey) CommitKVStore
 
 	// Reset the entire set of internal caches.
diff --git a/store/types/validity.go b/store/types/validity.go
index a1fbaba999..73b15bdacc 100644
--- a/store/types/validity.go
+++ b/store/types/validity.go
@@ -1,9 +1,12 @@
 package types
 
 var (
-	// 128K - 1
+	// MaxKeyLength is the maximum allowed length for a key in bytes.
+	// It is set to 128K - 1 (131,071 bytes).
 	MaxKeyLength = (1 << 17) - 1
-	// 2G - 1
+
+	// MaxValueLength is the maximum allowed length for a value in bytes.
+	// It is set to 2G - 1 (2,147,483,647 bytes).
 	MaxValueLength = (1 << 31) - 1
 )
 
diff --git a/store/v2/db/prefixdb.go b/store/v2/db/prefixdb.go
index 643f2e95f7..fc13bbb5af 100644
--- a/store/v2/db/prefixdb.go
+++ b/store/v2/db/prefixdb.go
@@ -247,7 +247,7 @@ func (itr *prefixDBIterator) Next() {
 	}
 }
 
-// Next implements Iterator.
+// Key implements Iterator.
 func (itr *prefixDBIterator) Key() []byte {
 	itr.assertIsValid()
 	key := itr.source.Key()
diff --git a/store/v2/internal/encoding/encoding.go b/store/v2/internal/encoding/encoding.go
index 40d558da38..b73b923f11 100644
--- a/store/v2/internal/encoding/encoding.go
+++ b/store/v2/internal/encoding/encoding.go
@@ -28,7 +28,7 @@ var uvarintPool = &sync.Pool{
 	},
 }
 
-// decodeBytes decodes a varint length-prefixed byte slice, returning it along with the number
+// DecodeBytes decodes a varint length-prefixed byte slice, returning it along with the number
 // of input bytes read.
 // Assumes bz will not be mutated.
 func DecodeBytes(bz []byte) ([]byte, int, error) {
@@ -55,7 +55,7 @@ func DecodeBytes(bz []byte) ([]byte, int, error) {
 	return bz[n:end], end, nil
 }
 
-// decodeUvarint decodes a varint-encoded unsigned integer from a byte slice, returning it and the
+// DecodeUvarint decodes a varint-encoded unsigned integer from a byte slice, returning it and the
 // number of bytes decoded.
 func DecodeUvarint(bz []byte) (uint64, int, error) {
 	u, n := binary.Uvarint(bz)
@@ -71,7 +71,7 @@ func DecodeUvarint(bz []byte) (uint64, int, error) {
 	return u, n, nil
 }
 
-// decodeVarint decodes a varint-encoded integer from a byte slice, returning it and the number of
+// DecodeVarint decodes a varint-encoded integer from a byte slice, returning it and the number of
 // bytes decoded.
 func DecodeVarint(bz []byte) (int64, int, error) {
 	i, n := binary.Varint(bz)
@@ -96,7 +96,7 @@ func EncodeBytes(w io.Writer, bz []byte) error {
 	return err
 }
 
-// encodeBytesSlice length-prefixes the byte slice and returns it.
+// EncodeBytesSlice length-prefixes the byte slice and returns it.
 func EncodeBytesSlice(bz []byte) ([]byte, error) {
 	buf := bufPool.Get().(*bytes.Buffer)
 	buf.Reset()
@@ -110,7 +110,7 @@ func EncodeBytesSlice(bz []byte) ([]byte, error) {
 	return bytesCopy, err
 }
 
-// encodeBytesSize returns the byte size of the given slice including length-prefixing.
+// EncodeBytesSize returns the byte size of the given slice including length-prefixing.
 func EncodeBytesSize(bz []byte) int {
 	return EncodeUvarintSize(uint64(len(bz))) + len(bz)
 }
diff --git a/store/v2/storage/pebbledb/comparator.go b/store/v2/storage/pebbledb/comparator.go
index 08b360e6c0..337ff7698d 100644
--- a/store/v2/storage/pebbledb/comparator.go
+++ b/store/v2/storage/pebbledb/comparator.go
@@ -202,7 +202,9 @@ func MVCCKeyCompare(a, b []byte) int {
 	return bytes.Compare(aTS, bTS)
 }
 
-// <key>\x00[<version>]<#version-bytes>
+// MVCCEncode encodes a key and version into an MVCC format.
+// The format is: <key>\x00[<version>]<#version-bytes>
+// If the version is 0, only the key and a null byte are encoded.
 func MVCCEncode(key []byte, version uint64) (dst []byte) {
 	dst = append(dst, key...)
 	dst = append(dst, 0)
diff --git a/store/v2/validation.go b/store/v2/validation.go
index e1bfcfa78b..a495f83b78 100644
--- a/store/v2/validation.go
+++ b/store/v2/validation.go
@@ -1,10 +1,12 @@
 package store
 
 var (
-	// 128K - 1
+	// MaxKeyLength is the maximum allowed length for a key in bytes.
+	// It is set to 128K - 1 (131,071 bytes).
 	MaxKeyLength = (1 << 17) - 1
 
-	// 2G - 1
+	// MaxValueLength is the maximum allowed length for a value in bytes.
+	// It is set to 2G - 1 (2,147,483,647 bytes).
 	MaxValueLength = (1 << 31) - 1
 )